64 lines
1.8 KiB
Diff
64 lines
1.8 KiB
Diff
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From 3269627852346852f99244b2650daaa79056b29d Mon Sep 17 00:00:00 2001
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From: Jacopo Mondi <jacopo+renesas@jmondi.org>
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Date: Tue, 16 Jun 2020 16:12:43 +0200
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Subject: [PATCH] media: i2c: adv748x: Implement get_mbus_config
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Upstream https://patchwork.linuxtv.org/patch/64676/
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Implement the newly introduced get_mbus_config operation to report the
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number of currently used data lanes on the MIPI CSI-2 interface.
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Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
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Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
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---
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drivers/media/i2c/adv748x/adv748x-csi2.c | 31 ++++++++++++++++++++++++
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1 file changed, 31 insertions(+)
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--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
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+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
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@@ -214,9 +214,40 @@ unlock:
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return ret;
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}
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+static int adv748x_csi2_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
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+ struct v4l2_mbus_config *config)
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+{
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+ struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd);
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+
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+ if (pad != ADV748X_CSI2_SOURCE)
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+ return -EINVAL;
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+
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+ config->type = V4L2_MBUS_CSI2_DPHY;
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+ switch (tx->active_lanes) {
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+ case 1:
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+ config->flags = V4L2_MBUS_CSI2_1_LANE;
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+ break;
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+
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+ case 2:
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+ config->flags = V4L2_MBUS_CSI2_2_LANE;
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+ break;
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+
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+ case 3:
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+ config->flags = V4L2_MBUS_CSI2_3_LANE;
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+ break;
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+
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+ case 4:
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+ config->flags = V4L2_MBUS_CSI2_4_LANE;
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+ break;
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+ }
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+
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+ return 0;
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+}
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+
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static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = {
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.get_fmt = adv748x_csi2_get_format,
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.set_fmt = adv748x_csi2_set_format,
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+ .get_mbus_config = adv748x_csi2_get_mbus_config,
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};
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/* -----------------------------------------------------------------------------
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